Instruction manual
IMPORTANT! READ INSTRUCTIONS BEFORE STARTING! 
Be sure that these instructions are carefully read and understood before any 
operation is attempted. Improper use of this device in some applications may result in 
damage or injury. The user is urged to keep this book filed in a convenient location for 
future reference. 
These instructions may not cover all details or variations in equipment or cover 
every possible situation to be met in connection with installation, operation or main-
tenance. Should problems arise that are not covered sufficiently in the text, the pur-
chaser is advised to contact Bristol for further information. 
EQUIPMENT APPLICATION WARNING 
The customer should note that a failure of this instrument or system, for 
whatever reason, may leave an operating process without protection. Depending upon 
the application, this could result in possible damage to property or injury to persons. 
It is suggested that the purchaser review the need for additional backup equipment 
or provide alternate means of protection such as alarm devices, output limiting, fail-
safe valves, relief valves, emergency shutoffs, emergency switches, etc. If additional 
in-formation is required, the purchaser is advised to contact Bristol . 
RETURNED EQUIPMENT WARNING 
When returning any equipment to Bristol for repairs or evaluation, please note 
the following: The party sending such materials is responsible to ensure that the 
materials returned to Bristol are clean to safe levels, as such levels are defined and/or 
determined by applicable federal, state and/or local law regulations or codes. Such 
party agrees to indemnify Bristol and save Bristol harmless from any liability or 
damage which Bristol may incur or suffer due to such party's failure to so act. 
ELECTRICAL GROUNDING 
Metal enclosures and exposed metal parts of electrical instruments must be 
grounded in accordance with OSHA rules and regulations pertaining to "Design 
Safety Standards for Electrical Systems," 29 CFR, Part 1910, Subpart S, dated: April 
16, 1981 (OSHA rulings are in agreement with the National Electrical Code). 
The grounding requirement is also applicable to mechanical or pneumatic in-
struments that include electrically-operated devices such as lights, switches, relays, 
alarms, or chart drives. 
EQUIPMENT DAMAGE FROM ELECTROSTATIC DISCHARGE VOLTAGE 
This product contains sensitive electronic components that can be damaged by 
exposure to an electrostatic discharge (ESD) voltage. Depending on the magnitude 
and duration of the ESD, this can result in erratic operation or complete failure of the 
equipment. Read supplemental document S14006 at the back of this manual for 
proper care and handling of ESD-sensitive components. 
Bristol 1100 Buckingham Street, Watertown, CT 06795 
   Telephone (860) 945-2200 










